20689524

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18539}}^1$

素因数の和:18580

約数の個数: 36

約数和(自身を含む): 53988480

約数和(自身を除く): 33298956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 18539, 37078, 55617, 74156, 111234, 166851, 222468, 333702, 574709, 667404, 1149418, 1724127, 2298836, 3448254, 5172381, 6896508, 10344762, 20689524]

約数ペア:

[(1, 20689524), (2, 10344762), (3, 6896508), (4, 5172381), (6, 3448254), (9, 2298836), (12, 1724127), (18, 1149418), (31, 667404), (36, 574709), (62, 333702), (93, 222468), (124, 166851), (186, 111234), (279, 74156), (372, 55617), (558, 37078), (1116, 18539)]